42-461-37118

PRODUCING

RAILWAY RANCH 30

UPTON County · District 7 · WINN OPERATING LLC · SPRABERRY (TREND AREA)

Permits

1

Max Depth

12,000 ft

First Permit

2010-12-13

Latest Activity

2010-12-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-05-21

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: WINN OPERATING LLC ≠ Permit: COG OPERATING LLC

Resolved via: productionWINN OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-04

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (5) Elevation 2,846 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,700 ft-4,854 ft
DEAN 8,980 ft-6,134 ft
WOLFCAMP 9,080 ft-6,234 ft
BASE WOLFCAMP (Wolfcamp)10,525 ft-7,679 ft
STRAWN 11,100 ft-8,254 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
7,780–11,150 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"785 ft430 sx
5.5"11,259 ft976 sx

Permit History (1)

Applications (1)

#706687 A COG OPERATING LLC
received 2010-12-08

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2011-06-24 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.

Well Details

Well Number
11
Max Depth
12,000 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
2011-05-21

Operator

Location
KILGORE
P-5 Status
Active (filed 2026-01-23)
Cum Oil (all leases)
1,535,482 bbl
Cum Gas (all leases)
178,389 mcf
Activities
OPRS/G, OPRS/O
Total Permits
1